+# ------------------------------------------------------------------------------
+have_polkit=no
+AC_ARG_ENABLE(polkit, AS_HELP_STRING([--disable-polkit], [disable PolicyKit support]))
+if test "x$enable_polkit" != "xno"; then
+ AC_DEFINE(ENABLE_POLKIT, 1, [Define if PolicyKit support is to be enabled])
+ have_polkit=yes
+fi
+AM_CONDITIONAL(ENABLE_POLKIT, [test "x$have_polkit" = "xyes"])
+
+# ------------------------------------------------------------------------------
+AC_ARG_ENABLE(networkd, AS_HELP_STRING([--disable-networkd], [disable networkd]))
+if test "x$enable_networkd" != "xno"; then
+ AC_DEFINE(ENABLE_NETWORKD, 1, [Define if networkd support is to be enabled])
+ have_networkd=yes
+fi
+AM_CONDITIONAL(ENABLE_NETWORKD, [test "x$have_networkd" = "xyes"])
+
+# ------------------------------------------------------------------------------
+have_efi=no
+AC_ARG_ENABLE(efi, AS_HELP_STRING([--disable-efi], [disable EFI support]))
+if test "x$enable_efi" != "xno"; then
+ AC_DEFINE(ENABLE_EFI, 1, [Define if EFI support is to be enabled])
+ have_efi=yes
+fi
+AM_CONDITIONAL(ENABLE_EFI, [test "x$have_efi" = "xyes"])
+
+# ------------------------------------------------------------------------------
+have_multi_seat_x=no
+AC_ARG_ENABLE(multi_seat_x, AS_HELP_STRING([--disable-multi-seat-x], [do not build multi-seat-x]))
+if test "x$enable_multi_seat_x" != "xno"; then
+ have_multi_seat_x=yes
+fi
+AM_CONDITIONAL(ENABLE_MULTI_SEAT_X, [test "$have_multi_seat_x" = "yes"])
+